<template>
	<!--
	本页面模板教程：https://ext.dcloud.net.cn/plugin?id=2651
	uni-list 文档：https://ext.dcloud.net.cn/plugin?id=24
	uniCloud 文档：https://uniapp.dcloud.io/uniCloud/README
	uni-clientDB 组件文档：https://uniapp.dcloud.net.cn/uniCloud/uni-clientdb-component
	DB Schema 规范：https://uniapp.dcloud.net.cn/uniCloud/schema
	 -->
	<view class="list">
		<!-- 刷新页面后的顶部提示框 -->
		<!-- 当前弹出内容没有实际逻辑 ，可根据当前业务修改弹出提示 -->
		<view class="tips" :class="{ 'tips-ani': tipShow }">努力加载ing</view>
		<view class="icon-balance">
			<text style="margin-right: 5rpx;">我的积分余额：</text>
			<image src="../../static/icon/shop/icon.png" style="width: 50rpx;height: 50rpx;"></image>
			<!-- TODO: 嵌入积分余额 -->
			<text class="shop-price-text">{{userInfo.balance}}</text>
		</view>
		<!-- 页面分类标题 -->
		<uni-section title="纪念品清单" type="line"></uni-section>
		<uni-clientdb ref="udb" v-slot:default="{data, loading, error, options}" :options="formData" :collection="collection" 
		:field="field" @load="load" orderby="_id desc" :where="nwhere">
			<!-- 基于 uni-list 的页面布局 -->
			<uni-list :class="{ 'uni-list--waterfall': options.waterfall }">
				<!-- 通过 uni-list--waterfall 类决定页面布局方向 -->
				<!-- to 属性携带参数跳转详情页面，当前只为参考 -->
				<uni-list-item :border="!options.waterfall" class="uni-list-item--waterfall" title="自定义商品列表" v-for="item in data"
				 :key="item._id" :to="'/pages/giftsList/detail?id='+item._id+'&title='+item.title">
					<!-- 通过header插槽定义列表左侧图片 -->
					<template v-slot:header>
						<view class="uni-thumb shop-picture" :class="{ 'shop-picture-column': options.waterfall }">
							<image :src="item.imgPath[0]" mode="aspectFill"></image>
						</view>
					</template>
					<!-- 通过body插槽定义商品布局 -->
					<view slot="body" class="shop">
						<view>
							<view class="uni-title">
								<text class="uni-ellipsis-2">{{ item.title }}</text>
							</view>
						</view>
						<view>
							<view class="shop-price">
								<image src="../../static/icon/shop/icon.png" style="width: 50rpx;height: 50rpx;"></image>
								<text class="shop-price-text">: {{ item.scores }}</text>
								<text></text>
							</view>
						</view>
					</view>
				</uni-list-item>
			</uni-list>
			<!-- 通过 loadMore 组件实现上拉加载效果，如需自定义显示内容，可参考：https://ext.dcloud.net.cn/plugin?id=29 -->
			<uni-load-more v-if="loading || options.status === 'noMore' " :status="options.status" />
		</uni-clientdb>
	</view>
</template>

<script>
	const app = getApp();
	import shareMsg from '@/common/shareMessage.js';
	export default {
		components: {},
		data() {
			return {
				// 数据表名
				collection: 'mall-gifts',
				// 查询字段，多个字段用 , 分割
				field: '_id,title,imgPath,scores',
				formData: {
					waterfall: true, // 布局方向切换
					status: 'loading', // 加载状态
				},
				tipShow: false ,// 是否显示顶部提示框
				nwhere: {
					onShow: true
				},
				userInfo: {}
			};
		},
		onLoad() {},
		onShareAppMessage(){
			var pathList = getCurrentPages()
			var path = pathList[pathList.length - 1].route
			return shareMsg.shareMsg({
				title: "AIIT周边商城",
				path: path,
				imageUrl: '/static/img/shareImg.png'
			})
		},
		methods: {
			/**
			 * 下拉刷新回调函数
			 */
			onShareAppMessage(){},
			
			onPullDownRefresh() {
				this.tipShow = true
				this.formData.status = 'more'
				this.$refs.udb.loadData({clear:true},()=>{
					this.tipShow  = false
					uni.stopPullDownRefresh()
				})
			},
			/**
			 * 上拉加载回调函数
			 */
			onReachBottom() {
				this.$refs.udb.loadMore()
			},
			load(data,ended){
				if(ended){
					this.formData.status = 'noMore'
				}
				this.userInfo = app.globalData.userInfo
			}
		}
	};
</script>

<style lang="scss">
	@import '@/common/uni-ui.scss';

	page {
		display: flex;
		flex-direction: column;
		box-sizing: border-box;
		background-color: #efeff4;
		min-height: 100%;
		height: auto;
	}

	.tips {
		color: #67c23a;
		font-size: 14px;
		line-height: 40px;
		text-align: center;
		background-color: #f0f9eb;
		height: 0;
		opacity: 0;
		transform: translateY(-100%);
		transition: all 0.3s;
	}

	.tips-ani {
		transform: translateY(0);
		height: 40px;
		opacity: 1;
	}

	.shop {
		flex: 1;
		display: flex;
		flex-direction: column;
		justify-content: space-between;
	}

	.shop-picture {
		width: 110px;
		height: 110px;
	}

	.shop-picture-column {
		width: 100%;
		height: 170px;
		margin-bottom: 10px;
	}

	.shop-price {
		margin-top: 5px;
		font-size: 12px;
		color: #ff5a5f;
		display: flex;
		align-items: center;
	}

	.shop-price-text {
		font-size: 16px;
		padding-left: 5rpx;
	}

	.hot-tag {
		background: #ff5a5f;
		border: none;
		color: #fff;
	}

	.button-box {
		height: 30px;
		line-height: 30px;
		font-size: 12px;
		background: #007AFF;
		color: #fff;
	}

	.uni-link {
		flex-shrink: 0;
	}

	.ellipsis {
		display: flex;
		overflow: hidden;
	}

	.uni-ellipsis-1 {
		overflow: hidden;
		white-space: nowrap;
		text-overflow: ellipsis;
	}

	.uni-ellipsis-2 {
		overflow: hidden;
		text-overflow: ellipsis;
		display: -webkit-box;
		-webkit-line-clamp: 2;
		-webkit-box-orient: vertical;
	}
	
	.icon-balance {
		display: flex;
		height: 120rpx;
		background-color: white;
		align-items: center;
		justify-content: center;
		margin-bottom: -20rpx;
	}


	// 默认加入 scoped ，所以外面加一层提升权重
	.list {
		.uni-list--waterfall {

			/* #ifndef H5 || APP-VUE */
			// 小程序 编译后会多一层标签，而其他平台没有，所以需要特殊处理一下
			/deep/ .uni-list {
				/* #endif */
				display: flex;
				flex-direction: row;
				flex-wrap: wrap;
				padding: 5px;
				box-sizing: border-box;

				/* #ifdef H5 || APP-VUE */
				// h5 和 app-vue 使用深度选择器，因为默认使用了 scoped ，所以样式会无法穿透
				/deep/
				/* #endif */
				.uni-list-item--waterfall {
					width: 50%;
					box-sizing: border-box;

					.uni-list-item__container {
						padding: 5px;
						flex-direction: column;
					}
				}

				/* #ifndef H5 || APP-VUE */
			}

			/* #endif */
		}
	}
</style>
